src/gallium/drivers/cell/ppu/cell_pipe_state.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28 /* Authors:
  29  *  Keith Whitwell <keith@tungstengraphics.com>
  30  *  Brian Paul
  31  */
  32
  33 #include "util/u_memory.h"
  34 #include "pipe/p_inlines.h"
  35 #include "draw/draw_context.h"
  36 #include "cell_context.h"
  37 #include "cell_flush.h"
  38 #include "cell_pipe_state.h"
  39 #include "cell_state.h"
  40 #include "cell_texture.h"
  41
  42
  43
  44 static void *
  45 cell_create_blend_state(struct pipe_context *pipe,
  46                         const struct pipe_blend_state *blend)
  47 {
  48    return mem_dup(blend, sizeof(*blend));
  49 }
  50
  51
  52 static void
  53 cell_bind_blend_state(struct pipe_context *pipe, void *blend)
  54 {
  55    struct cell_context *cell = cell_context(pipe);
  56
  57    draw_flush(cell->draw);
  58
  59    cell->blend = (struct pipe_blend_state *) blend;
  60    cell->dirty |= CELL_NEW_BLEND;
  61 }
  62
  63
  64 static void
  65 cell_delete_blend_state(struct pipe_context *pipe, void *blend)
  66 {
  67    FREE(blend);
  68 }
  69
  70
  71 static void
  72 cell_set_blend_color(struct pipe_context *pipe,
  73                      const struct pipe_blend_color *blend_color)
  74 {
  75    struct cell_context *cell = cell_context(pipe);
  76
  77    draw_flush(cell->draw);
  78
  79    cell->blend_color = *blend_color;
  80
  81    cell->dirty |= CELL_NEW_BLEND;
  82 }
  83
  84
  85
  86
  87 static void *
  88 cell_create_depth_stencil_alpha_state(struct pipe_context *pipe,
  89                  const struct pipe_depth_stencil_alpha_state *dsa)
  90 {
  91    return mem_dup(dsa, sizeof(*dsa));
  92 }
  93
  94
  95 static void
  96 cell_bind_depth_stencil_alpha_state(struct pipe_context *pipe,
  97                                     void *dsa)
  98 {
  99    struct cell_context *cell = cell_context(pipe);
 100
 101    draw_flush(cell->draw);
 102
 103    cell->depth_stencil = (struct pipe_depth_stencil_alpha_state *) dsa;
 104    cell->dirty |= CELL_NEW_DEPTH_STENCIL;
 105 }
 106
 107
 108 static void
 109 cell_delete_depth_stencil_alpha_state(struct pipe_context *pipe, void *dsa)
 110 {
 111    FREE(dsa);
 112 }
 113
 114
 115 static void
 116 cell_set_clip_state(struct pipe_context *pipe,
 117                     const struct pipe_clip_state *clip)
 118 {
 119    struct cell_context *cell = cell_context(pipe);
 120
 121    /* pass the clip state to the draw module */
 122    draw_set_clip_state(cell->draw, clip);
 123 }
 124
 125
 126
 127 /* Called when driver state tracker notices changes to the viewport
 128  * matrix:
 129  */
 130 static void
 131 cell_set_viewport_state( struct pipe_context *pipe,
 132                          const struct pipe_viewport_state *viewport )
 133 {
 134    struct cell_context *cell = cell_context(pipe);
 135
 136    cell->viewport = *viewport; /* struct copy */
 137    cell->dirty |= CELL_NEW_VIEWPORT;
 138
 139    /* pass the viewport info to the draw module */
 140    draw_set_viewport_state(cell->draw, viewport);
 141
 142    /* Using tnl/ and vf/ modules is temporary while getting started.
 143     * Full pipe will have vertex shader, vertex fetch of its own.
 144     */
 145 }
 146
 147
 148 static void
 149 cell_set_scissor_state( struct pipe_context *pipe,
 150                         const struct pipe_scissor_state *scissor )
 151 {
 152    struct cell_context *cell = cell_context(pipe);
 153
 154    memcpy( &cell->scissor, scissor, sizeof(*scissor) );
 155    cell->dirty |= CELL_NEW_SCISSOR;
 156 }
 157
 158
 159 static void
 160 cell_set_polygon_stipple( struct pipe_context *pipe,
 161                           const struct pipe_poly_stipple *stipple )
 162 {
 163    struct cell_context *cell = cell_context(pipe);
 164
 165    memcpy( &cell->poly_stipple, stipple, sizeof(*stipple) );
 166    cell->dirty |= CELL_NEW_STIPPLE;
 167 }
 168
 169
 170
 171 static void *
 172 cell_create_rasterizer_state(struct pipe_context *pipe,
 173                              const struct pipe_rasterizer_state *rasterizer)
 174 {
 175    return mem_dup(rasterizer, sizeof(*rasterizer));
 176 }
 177
 178
 179 static void
 180 cell_bind_rasterizer_state(struct pipe_context *pipe, void *rast)
 181 {
 182    struct pipe_rasterizer_state *rasterizer =
 183       (struct pipe_rasterizer_state *) rast;
 184    struct cell_context *cell = cell_context(pipe);
 185
 186    /* pass-through to draw module */
 187    draw_set_rasterizer_state(cell->draw, rasterizer);
 188
 189    cell->rasterizer = rasterizer;
 190
 191    cell->dirty |= CELL_NEW_RASTERIZER;
 192 }
 193
 194
 195 static void
 196 cell_delete_rasterizer_state(struct pipe_context *pipe, void *rasterizer)
 197 {
 198    FREE(rasterizer);
 199 }
 200
 201
 202
 203 static void *
 204 cell_create_sampler_state(struct pipe_context *pipe,
 205                           const struct pipe_sampler_state *sampler)
 206 {
 207    return mem_dup(sampler, sizeof(*sampler));
 208 }
 209
 210
 211 static void
 212 cell_bind_sampler_states(struct pipe_context *pipe,
 213                          unsigned num, void **samplers)
 214 {
 215    struct cell_context *cell = cell_context(pipe);
 216    uint i, changed = 0x0;
 217
 218    assert(num <= CELL_MAX_SAMPLERS);
 219
 220    draw_flush(cell->draw);
 221
 222    for (i = 0; i < CELL_MAX_SAMPLERS; i++) {
 223       struct pipe_sampler_state *new_samp = i < num ? samplers[i] : NULL;
 224       if (cell->sampler[i] != new_samp) {
 225          cell->sampler[i] = new_samp;
 226          changed |= (1 << i);
 227       }
 228    }
 229
 230    if (changed) {
 231       cell->dirty |= CELL_NEW_SAMPLER;
 232       cell->dirty_samplers |= changed;
 233    }
 234 }
 235
 236
 237 static void
 238 cell_delete_sampler_state(struct pipe_context *pipe,
 239                               void *sampler)
 240 {
 241    FREE( sampler );
 242 }
 243
 244
 245
 246 static void
 247 cell_set_sampler_textures(struct pipe_context *pipe,
 248                           unsigned num, struct pipe_texture **texture)
 249 {
 250    struct cell_context *cell = cell_context(pipe);
 251    uint i, changed = 0x0;
 252
 253    assert(num <= CELL_MAX_SAMPLERS);
 254
 255    for (i = 0; i < CELL_MAX_SAMPLERS; i++) {
 256       struct pipe_texture *new_tex = i < num ? texture[i] : NULL;
 257       if ((struct pipe_texture *) cell->texture[i] != new_tex) {
 258          pipe_texture_reference((struct pipe_texture **) &cell->texture[i],
 259                                 new_tex);
 260          changed |= (1 << i);
 261       }
 262    }
 263
 264    cell->num_textures = num;
 265
 266    if (changed) {
 267       cell->dirty |= CELL_NEW_TEXTURE;
 268       cell->dirty_textures |= changed;
 269    }
 270 }
 271
 272
 273
 274 static void
 275 cell_set_framebuffer_state(struct pipe_context *pipe,
 276                            const struct pipe_framebuffer_state *fb)
 277 {
 278    struct cell_context *cell = cell_context(pipe);
 279
 280    if (1 /*memcmp(&cell->framebuffer, fb, sizeof(*fb))*/) {
 281       struct pipe_surface *csurf = fb->cbufs[0];
 282       struct pipe_surface *zsurf = fb->zsbuf;
 283       uint i;
 284       uint flags = (PIPE_BUFFER_USAGE_GPU_WRITE |
 285                     PIPE_BUFFER_USAGE_GPU_READ);
 286
 287       /* unmap old surfaces */
 288       for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
 289          if (cell->framebuffer.cbufs[i] && cell->cbuf_map[i]) {
 290             pipe_surface_unmap(cell->framebuffer.cbufs[i]);
 291             cell->cbuf_map[i] = NULL;
 292          }
 293       }
 294
 295       if (cell->framebuffer.zsbuf && cell->zsbuf_map) {
 296          pipe_surface_unmap(cell->framebuffer.zsbuf);
 297          cell->zsbuf_map = NULL;
 298       }
 299
 300       /* Finish any pending rendering to the current surface before
 301        * installing a new surface!
 302        */
 303       cell_flush_int(cell, CELL_FLUSH_WAIT);
 304
 305       /* update my state
 306        * (this is also where old surfaces will finally get freed)
 307        */
 308       cell->framebuffer.width = fb->width;
 309       cell->framebuffer.height = fb->height;
 310       cell->framebuffer.nr_cbufs = fb->nr_cbufs;
 311       for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
 312          pipe_surface_reference(&cell->framebuffer.cbufs[i], fb->cbufs[i]);
 313       }
 314       pipe_surface_reference(&cell->framebuffer.zsbuf, fb->zsbuf);
 315
 316       /* map new surfaces */
 317       if (csurf)
 318          cell->cbuf_map[0] = pipe_surface_map(csurf, flags);
 319
 320       if (zsurf)
 321          cell->zsbuf_map = pipe_surface_map(zsurf, flags);
 322
 323       cell->dirty |= CELL_NEW_FRAMEBUFFER;
 324    }
 325 }
 326
 327
 328
 329 void
 330 cell_init_state_functions(struct cell_context *cell)
 331 {
 332    cell->pipe.create_blend_state = cell_create_blend_state;
 333    cell->pipe.bind_blend_state   = cell_bind_blend_state;
 334    cell->pipe.delete_blend_state = cell_delete_blend_state;
 335
 336    cell->pipe.create_sampler_state = cell_create_sampler_state;
 337    cell->pipe.bind_sampler_states = cell_bind_sampler_states;
 338    cell->pipe.delete_sampler_state = cell_delete_sampler_state;
 339
 340    cell->pipe.set_sampler_textures = cell_set_sampler_textures;
 341
 342    cell->pipe.create_depth_stencil_alpha_state = cell_create_depth_stencil_alpha_state;
 343    cell->pipe.bind_depth_stencil_alpha_state   = cell_bind_depth_stencil_alpha_state;
 344    cell->pipe.delete_depth_stencil_alpha_state = cell_delete_depth_stencil_alpha_state;
 345
 346    cell->pipe.create_rasterizer_state = cell_create_rasterizer_state;
 347    cell->pipe.bind_rasterizer_state   = cell_bind_rasterizer_state;
 348    cell->pipe.delete_rasterizer_state = cell_delete_rasterizer_state;
 349
 350    cell->pipe.set_blend_color = cell_set_blend_color;
 351    cell->pipe.set_clip_state = cell_set_clip_state;
 352
 353    cell->pipe.set_framebuffer_state = cell_set_framebuffer_state;
 354
 355    cell->pipe.set_polygon_stipple = cell_set_polygon_stipple;
 356    cell->pipe.set_scissor_state = cell_set_scissor_state;
 357    cell->pipe.set_viewport_state = cell_set_viewport_state;
 358 }